Index: trunk/FACT++/src/fitsHacker.cc
===================================================================
--- trunk/FACT++/src/fitsHacker.cc	(revision 12731)
+++ trunk/FACT++/src/fitsHacker.cc	(revision 12731)
@@ -0,0 +1,133 @@
+/*
+ * fitsHacker.cc
+ *
+ *  Created on: Sep 8, 2011
+ *      Author: lyard
+ */
+
+#include <fstream>
+#include <cstdlib>
+#include <iostream>
+#include <cstring>
+
+using namespace std;
+/*
+ * Usage: fitsHacker <nameOfFileToHack> <numberOfBytesToSkip> <WhichCharactersToPutAfterShift>(optionnal)
+ *
+ *
+ *
+ */
+
+enum ModeT {seekingHDU,
+            foundHDU,
+            fixedEND,
+            reachedHeaderEnd};
+
+int main(int argc, char** argv)
+{
+    if (argc < 2)
+        return 0;
+
+/* ENDfixer */
+    fstream file(argv[1]);
+
+    char c[81];
+    c[80] = 0;
+    int seeking=0;
+
+    ModeT mode = seekingHDU;
+
+    bool reallyFixedEnd = false;
+    int endAddress = 0;
+
+    while (mode != fixedEND)
+    {
+        file.read(c, 80);
+        if (!file.good()) {
+            cout << 0;
+            return 0;
+        }
+        string str(c);
+//        cout << c << endl;
+        if (str.substr(0, 9) == "XTENSION=")
+            mode = foundHDU;
+
+        if (mode == foundHDU && str=="END                                                                             ")
+        {
+            mode = fixedEND;
+            endAddress = seeking;
+//            cout << "found END at " << endAddress << endl;
+        }
+        if (mode == foundHDU && str =="                                                                                ")
+        {
+            file.seekp(seeking);
+            file.put('E');
+            file.put('N');
+            file.put('D');
+            mode = fixedEND;
+            reallyFixedEnd = true;
+            endAddress = seeking;
+//            cout << "added END at " << endAddress << endl;
+        }
+
+        seeking+=80;
+    }
+
+    file.seekp(seeking-1);
+    while (mode != reachedHeaderEnd)
+    {
+        file.read(c, 80);
+        if (!file.good()) {
+            cout << 0;
+            return 0;
+        }
+        string str(c);
+
+        if (str =="                                                                                ")
+            seeking+=80;
+        else
+            mode = reachedHeaderEnd;
+    }
+
+    file.close();
+
+    if (seeking % 2880 != 0)
+    {
+        cout << "Error: header length not acceptable" << endl;
+        return 0;
+    }
+
+    if (((seeking - endAddress)/80) > 35)
+    {
+        cout << "Error: too much header space after END keyword" << endl;
+        return 0;
+    }
+
+    cout << seeking;
+
+    return seeking;
+
+/* FITS HACKER
+    file.get(data, shift);
+
+    for (int i=0;i<shift;i++)
+    {
+        if (i%80 == 0)
+            cout << "||| " << endl;
+        cout << data[i];
+    }
+    cout << endl;
+    if (argc < 4)
+        return 0;
+
+    int length = strlen(argv[3]);
+
+
+    file.seekp(shift-1);
+    for (int i=0;i<length;i++)
+        file.put(argv[3][i]);
+
+    file.close();
+
+    delete[] data;*/
+}